71804040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:460

約数の個数: 256

約数和(自身を含む): 283392000

約数和(自身を除く): 211587960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 55, 56, 57, 60, 66, 70, 76, 77, 84, 88, 95, 105, 110, 114, 120, 132, 133, 140, 152, 154, 165, 168, 190, 209, 210, 220, 228, 231, 264, 266, 280, 285, 308, 330, 380, 385, 399, 409, 418, 420, 440, 456, 462, 532, 570, 616, 627, 660, 665, 760, 770, 798, 818, 836, 840, 924, 1045, 1064, 1140, 1155, 1227, 1254, 1320, 1330, 1463, 1540, 1596, 1636, 1672, 1848, 1995, 2045, 2090, 2280, 2310, 2454, 2508, 2660, 2863, 2926, 3080, 3135, 3192, 3272, 3990, 4090, 4180, 4389, 4499, 4620, 4908, 5016, 5320, 5726, 5852, 6135, 6270, 7315, 7771, 7980, 8180, 8360, 8589, 8778, 8998, 9240, 9816, 11452, 11704, 12270, 12540, 13497, 14315, 14630, 15542, 15960, 16360, 17178, 17556, 17996, 21945, 22495, 22904, 23313, 24540, 25080, 26994, 28630, 29260, 31084, 31493, 34356, 35112, 35992, 38855, 42945, 43890, 44990, 46626, 49080, 53988, 54397, 57260, 58520, 62168, 62986, 67485, 68712, 77710, 85481, 85890, 87780, 89980, 93252, 94479, 107976, 108794, 114520, 116565, 125972, 134970, 155420, 157465, 163191, 170962, 171780, 175560, 179960, 186504, 188958, 217588, 233130, 251944, 256443, 269940, 271985, 310840, 314930, 326382, 341924, 343560, 377916, 427405, 435176, 466260, 472395, 512886, 539880, 543970, 598367, 629860, 652764, 683848, 755832, 815955, 854810, 932520, 944790, 1025772, 1087940, 1196734, 1259720, 1282215, 1305528, 1631910, 1709620, 1795101, 1889580, 2051544, 2175880, 2393468, 2564430, 2991835, 3263820, 3419240, 3590202, 3779160, 4786936, 5128860, 5983670, 6527640, 7180404, 8975505, 10257720, 11967340, 14360808, 17951010, 23934680, 35902020, 71804040]

約数ペア:

[(1, 71804040), (2, 35902020), (3, 23934680), (4, 17951010), (5, 14360808), (6, 11967340), (7, 10257720), (8, 8975505), (10, 7180404), (11, 6527640), (12, 5983670), (14, 5128860), (15, 4786936), (19, 3779160), (20, 3590202), (21, 3419240), (22, 3263820), (24, 2991835), (28, 2564430), (30, 2393468), (33, 2175880), (35, 2051544), (38, 1889580), (40, 1795101), (42, 1709620), (44, 1631910), (55, 1305528), (56, 1282215), (57, 1259720), (60, 1196734), (66, 1087940), (70, 1025772), (76, 944790), (77, 932520), (84, 854810), (88, 815955), (95, 755832), (105, 683848), (110, 652764), (114, 629860), (120, 598367), (132, 543970), (133, 539880), (140, 512886), (152, 472395), (154, 466260), (165, 435176), (168, 427405), (190, 377916), (209, 343560), (210, 341924), (220, 326382), (228, 314930), (231, 310840), (264, 271985), (266, 269940), (280, 256443), (285, 251944), (308, 233130), (330, 217588), (380, 188958), (385, 186504), (399, 179960), (409, 175560), (418, 171780), (420, 170962), (440, 163191), (456, 157465), (462, 155420), (532, 134970), (570, 125972), (616, 116565), (627, 114520), (660, 108794), (665, 107976), (760, 94479), (770, 93252), (798, 89980), (818, 87780), (836, 85890), (840, 85481), (924, 77710), (1045, 68712), (1064, 67485), (1140, 62986), (1155, 62168), (1227, 58520), (1254, 57260), (1320, 54397), (1330, 53988), (1463, 49080), (1540, 46626), (1596, 44990), (1636, 43890), (1672, 42945), (1848, 38855), (1995, 35992), (2045, 35112), (2090, 34356), (2280, 31493), (2310, 31084), (2454, 29260), (2508, 28630), (2660, 26994), (2863, 25080), (2926, 24540), (3080, 23313), (3135, 22904), (3192, 22495), (3272, 21945), (3990, 17996), (4090, 17556), (4180, 17178), (4389, 16360), (4499, 15960), (4620, 15542), (4908, 14630), (5016, 14315), (5320, 13497), (5726, 12540), (5852, 12270), (6135, 11704), (6270, 11452), (7315, 9816), (7771, 9240), (7980, 8998), (8180, 8778), (8360, 8589)]